// 简单 GET 请求
String response = HttpUtils.doGet("https://api.example.com/data");

// POST 请求
Map<String, Object> params = new HashMap<>();
params.put("key", "value");
String response = HttpUtils.doPost("https://api.example.com/submit", params);

// 异步请求
HttpUtils.doGetAsync("https://api.example.com/data", new FutureCallback<String>() {
    @Override
    public void completed(String result) {
        System.out.println("请求成功: " + result);
    }
    
    @Override
    public void failed(Exception ex) {
        System.out.println("请求失败: " + ex.getMessage());
    }
    
    @Override
    public void cancelled() {
        System.out.println("请求被取消");
    }
});

// AES 加密/解密
String key = "your-secret-key";
String plainText = "Hello World";
String encrypted = AesUtil.encrypt(plainText, key);
String decrypted = AesUtil.decrypt(encrypted, key);

// BCrypt 密码加密
String password = "mypassword";
String hashed = BCrypt.hashpw(password, BCrypt.gensalt());
boolean isValid = BCrypt.checkpw(password, hashed);

// Base64 编码/解码
String encoded = Base64Util.encode("Hello World");
String decoded = Base64Util.decodeStr(encoded);

// 文件压缩
ZipUtil.zip("source/path", "target.zip");

// 文件解压
ZipUtil.unzip("source.zip", "target/path");

// 文件复制
FileTools.copyFile("source.txt", "target.txt");

// 日期格式化
String formatted = DateUtils.formatDateTime(new Date());

// 日期计算
Date tomorrow = DateUtils.addDays(new Date(), 1);
Date lastWeek = DateUtils.addWeeks(new Date(), -1);

// 农历转换
Calendarist calendarist = new Calendarist(new Date());
LunarDate lunarDate = calendarist.getLunarDate();

// 创建引擎上下文
EngineContext context = new EngineContext();

// 创建节点链
NodeChain nodeChain = new NodeChain();
nodeChain.addNode(new YourCustomNode());

// 执行流程
AbstractEngineExecute executor = new YourEngineExecutor();
executor.execute(context, nodeChain);

// 成功响应
ResultDTO<String> success = ResultDTOUtils.success("操作成功", data);

// 失败响应
ResultDTO<Void> error = ResultDTOUtils.error("操作失败");

// 带错误码的响应
ResultDTO<Void> errorWithCode = ResultDTOUtils.error(ResultCode.PARAM_ERROR);